Detailed Description

constraint handler for indicator constraints over arbitrary constraint types

Author: Ambros Gleixner; Frederic Pythoud

Definition in file cons_superindicator.c.

#include <assert.h>
#include <string.h>
#include "scip/cons_superindicator.h"
#include "scip/dialog_default.h"
#include "scip/cons_indicator.h"
#include "scip/cons_linear.h"

Go to the source code of this file.

Macros
#define	CONSHDLR_NAME "superindicator"

#define	CONSHDLR_DESC "constraint handler for indicator constraints over arbitrary constraint types"

#define	CONSHDLR_SEPAPRIORITY 0

#define	CONSHDLR_ENFOPRIORITY -5000000

#define	CONSHDLR_CHECKPRIORITY -5000000

#define	CONSHDLR_SEPAFREQ -1

#define	CONSHDLR_PROPFREQ 1

#define	CONSHDLR_EAGERFREQ 100

#define	CONSHDLR_MAXPREROUNDS -1

#define	CONSHDLR_DELAYSEPA FALSE

#define	CONSHDLR_DELAYPROP FALSE

#define	CONSHDLR_NEEDSCONS TRUE

#define	CONSHDLR_PROP_TIMING SCIP_PROPTIMING_BEFORELP

#define	CONSHDLR_PRESOLTIMING SCIP_PRESOLTIMING_MEDIUM

#define	DEFAULT_CHECKSLACKTYPE TRUE

#define	DEFAULT_UPGDPRIOINDICATOR 1

#define	DEFAULT_UPGDPRIOLINEAR 2

#define	DEFAULT_MAXUPGDCOEFLINEAR 1e4

Functions
static SCIP_RETCODE	consdataCreateSuperindicator (SCIP scip, SCIP_CONSDATA consdata, SCIP_VAR binvar, SCIP_CONS *slackcons)

static SCIP_RETCODE	consdataCheckSuperindicator (SCIP scip, SCIP_CONSDATA consdata, SCIP_SOL sol, SCIP_Bool checkintegrality, SCIP_Bool checklprows, SCIP_Bool printreason, SCIP_RESULT result)

static SCIP_RETCODE	extractLinearValues (SCIP scip, SCIP_CONS cons, SCIP_Real minactivity, SCIP_Real maxactivity, SCIP_Real *minabscoef)

static SCIP_RETCODE	upgradeIndicatorSuperindicator (SCIP scip, SCIP_CONS cons, SCIP_Bool success, SCIP_Bool deleted)

static SCIP_RETCODE	upgradeLinearSuperindicator (SCIP scip, SCIP_CONS cons, SCIP_Bool success, SCIP_Bool deleted)

static SCIP_RETCODE	upgradeSuperindicator (SCIP scip, SCIP_CONS cons, SCIP_Bool success, SCIP_Bool deleted)

static SCIP_RETCODE	enforceConstraint (SCIP scip, SCIP_CONSHDLR conshdlr, SCIP_CONS *conss, int nconss, int nusefulconss, SCIP_SOL sol, SCIP_Bool solinfeasible, SCIP_RESULT *result)

static	SCIP_DECL_CONSHDLRCOPY (conshdlrCopySuperindicator)

static	SCIP_DECL_CONSFREE (consFreeSuperindicator)

static	SCIP_DECL_CONSINITPRE (consInitpreSuperindicator)

static	SCIP_DECL_CONSDELETE (consDeleteSuperindicator)

static	SCIP_DECL_CONSTRANS (consTransSuperindicator)

static	SCIP_DECL_CONSINITLP (consInitlpSuperindicator)

static	SCIP_DECL_CONSSEPALP (consSepalpSuperindicator)

static	SCIP_DECL_CONSSEPASOL (consSepasolSuperindicator)

static	SCIP_DECL_CONSENFOLP (consEnfolpSuperindicator)

static	SCIP_DECL_CONSENFORELAX (consEnforelaxSuperindicator)

static	SCIP_DECL_CONSENFOPS (consEnfopsSuperindicator)

static	SCIP_DECL_CONSCHECK (consCheckSuperindicator)

static	SCIP_DECL_CONSPROP (consPropSuperindicator)

static	SCIP_DECL_CONSPRESOL (consPresolSuperindicator)

static	SCIP_DECL_CONSRESPROP (consRespropSuperindicator)

static	SCIP_DECL_CONSLOCK (consLockSuperindicator)

static	SCIP_DECL_CONSPRINT (consPrintSuperindicator)

static	SCIP_DECL_CONSCOPY (consCopySuperindicator)

static	SCIP_DECL_CONSPARSE (consParseSuperindicator)

static	SCIP_DECL_CONSGETVARS (consGetVarsSuperindicator)

static	SCIP_DECL_CONSGETNVARS (consGetNVarsSuperindicator)

SCIP_RETCODE	SCIPincludeConshdlrSuperindicator (SCIP *scip)

SCIP_RETCODE	SCIPcreateConsSuperindicator (SCIP scip, SCIP_CONS cons, const char name, SCIP_VAR binvar, SCIP_CONS slackcons, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)

SCIP_RETCODE	SCIPcreateConsBasicSuperindicator (SCIP scip, SCIP_CONS cons, const char name, SCIP_VAR binvar, SCIP_CONS slackcons)

SCIP_VAR *	SCIPgetBinaryVarSuperindicator (SCIP_CONS *cons)

SCIP_CONS *	SCIPgetSlackConsSuperindicator (SCIP_CONS *cons)

SCIP_RETCODE	SCIPtransformMinUC (SCIP scip, SCIP_Bool success)

	SCIP_DECL_DIALOGEXEC (SCIPdialogExecChangeMinUC)

Macro Definition Documentation

◆ CONSHDLR_NAME

#define CONSHDLR_NAME "superindicator"

Definition at line 44 of file cons_superindicator.c.

Referenced by SCIPcreateConsSuperindicator(), SCIPgetBinaryVarSuperindicator(), SCIPgetSlackConsSuperindicator(), and SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_DESC

#define CONSHDLR_DESC "constraint handler for indicator constraints over arbitrary constraint types"

Definition at line 45 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_SEPAPRIORITY

#define CONSHDLR_SEPAPRIORITY 0

priority of the constraint handler for separation

Definition at line 46 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_ENFOPRIORITY

#define CONSHDLR_ENFOPRIORITY -5000000

priority of the constraint handler for constraint enforcing

Definition at line 47 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_CHECKPRIORITY

#define CONSHDLR_CHECKPRIORITY -5000000

priority of the constraint handler for checking feasibility

Definition at line 48 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_SEPAFREQ

#define CONSHDLR_SEPAFREQ -1

frequency for separating cuts; zero means to separate only in the root node

Definition at line 49 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_PROPFREQ

#define CONSHDLR_PROPFREQ 1

frequency for propagating domains; zero means only preprocessing propagation

Definition at line 50 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_EAGERFREQ

#define CONSHDLR_EAGERFREQ 100

frequency for using all instead of only the useful constraints in separation, propagation and enforcement, -1 for no eager evaluations, 0 for first only

Definition at line 51 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_MAXPREROUNDS

#define CONSHDLR_MAXPREROUNDS -1

maximal number of presolving rounds the constraint handler participates in (-1: no limit)

Definition at line 54 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_DELAYSEPA

#define CONSHDLR_DELAYSEPA FALSE

should separation method be delayed, if other separators found cuts?

Definition at line 57 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_DELAYPROP

#define CONSHDLR_DELAYPROP FALSE

should propagation method be delayed, if other propagators found reductions?

Definition at line 58 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_NEEDSCONS

#define CONSHDLR_NEEDSCONS TRUE

should the constraint handler be skipped, if no constraints are available?

Definition at line 59 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_PROP_TIMING

#define CONSHDLR_PROP_TIMING SCIP_PROPTIMING_BEFORELP

propagation timing mask of the constraint handler

Definition at line 61 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ CONSHDLR_PRESOLTIMING

#define CONSHDLR_PRESOLTIMING SCIP_PRESOLTIMING_MEDIUM

presolving timing of the constraint handler (fast, medium, or exhaustive)

Definition at line 62 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ DEFAULT_CHECKSLACKTYPE

#define DEFAULT_CHECKSLACKTYPE TRUE

should type of slack constraint be checked when creating superindicator constraint?

Definition at line 64 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ DEFAULT_UPGDPRIOINDICATOR

#define DEFAULT_UPGDPRIOINDICATOR 1

priority for upgrading to an indicator constraint (-1: never)

Definition at line 65 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ DEFAULT_UPGDPRIOLINEAR

#define DEFAULT_UPGDPRIOLINEAR 2

priority for upgrading to a linear constraint (-1: never)

Definition at line 66 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

◆ DEFAULT_MAXUPGDCOEFLINEAR

#define DEFAULT_MAXUPGDCOEFLINEAR 1e4

maximum big-M coefficient of binary variable in upgrade to a linear constraint (relative to smallest coefficient)

Definition at line 67 of file cons_superindicator.c.

Referenced by SCIPincludeConshdlrSuperindicator().

Function Documentation

◆ consdataCreateSuperindicator()

static SCIP_RETCODE consdataCreateSuperindicator	(	SCIP *	scip,
		SCIP_CONSDATA **	consdata,
		SCIP_VAR *	binvar,
		SCIP_CONS *	slackcons
	)

static

creates superindicator constraint data

Parameters

scip	SCIP data structure
consdata	pointer to constraint data
binvar	binary variable
slackcons	slack constraint

Definition at line 100 of file cons_superindicator.c.

References consdataCheckSuperindicator(), SCIP_CALL, SCIP_OKAY, SCIPallocBlockMemory, SCIPcaptureCons(), SCIPdebugMsg, SCIPgetTransformedVar(), SCIPisTransformed(), and SCIPtransformCons().

Referenced by SCIPcreateConsSuperindicator().

◆ consdataCheckSuperindicator()

static SCIP_RETCODE consdataCheckSuperindicator	(	SCIP *	scip,
		SCIP_CONSDATA *	consdata,
		SCIP_SOL *	sol,
		SCIP_Bool	checkintegrality,
		SCIP_Bool	checklprows,
		SCIP_Bool	printreason,
		SCIP_RESULT *	result
	)

static

checks the feasibility of a superindicator constraint

Parameters

scip	SCIP data structure
consdata	pointer to superindicator constraint data
sol	pointer to the solution to be checked
checkintegrality	Has integrality to be checked?
checklprows	Do constraints represented by rows in the current LP have to be checked?
printreason	Should the reason for the violation be printed?
result	pointer to store the result of the test

Definition at line 139 of file cons_superindicator.c.

References extractLinearValues(), SCIP_CALL, SCIP_DIDNOTRUN, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_OKAY, SCIP_Real, SCIPcheckCons(), SCIPconsGetName(), SCIPdebugMsg, SCIPgetSolVal(), SCIPinfoMessage(), SCIPisFeasEQ(), SCIPisIntegral(), SCIPvarGetName(), and TRUE.

Referenced by consdataCreateSuperindicator(), and enforceConstraint().

◆ extractLinearValues()

static SCIP_RETCODE extractLinearValues	(	SCIP *	scip,
		SCIP_CONS *	cons,
		SCIP_Real *	minactivity,
		SCIP_Real *	maxactivity,
		SCIP_Real *	minabscoef
	)

static

computes the minactivity, maxactivity, and minimal absolute value of nonzero coefficients of a linear constraint with respect to its global bounds

Parameters

scip	SCIP data structure
cons	pointer to linear constraint
minactivity	pointer to return the minimal activity
maxactivity	pointer to return the maximal activity
minabscoef	pointer to return the minimal absolute value of the coefficients

Definition at line 210 of file cons_superindicator.c.

References FALSE, SCIP_Bool, SCIP_OKAY, SCIP_Real, SCIPconsGetHdlr(), SCIPconshdlrGetName(), SCIPgetNVarsLinear(), SCIPgetValsLinear(), SCIPgetVarsLinear(), SCIPinfinity(), SCIPisInfinity(), SCIPvarGetLbGlobal(), SCIPvarGetUbGlobal(), and upgradeIndicatorSuperindicator().

Referenced by consdataCheckSuperindicator(), and upgradeLinearSuperindicator().

◆ upgradeIndicatorSuperindicator()

static SCIP_RETCODE upgradeIndicatorSuperindicator	(	SCIP *	scip,
		SCIP_CONS *	cons,
		SCIP_Bool *	success,
		SCIP_Bool *	deleted
	)

static

tries to upgrade superindicator constraint to an indicator constraint

Parameters

scip	SCIP data structure
cons	superindicator constraint to be upgraded
success	pointer to store if the upgrading was successful
deleted	pointer to store if the constraint was deleted

Definition at line 289 of file cons_superindicator.c.

References FALSE, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddCons(), SCIPallocBufferArray, SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsIndicator(), SCIPdebug, SCIPdebugMsg, SCIPdelCons(), SCIPfindConshdlr(), SCIPfreeBufferArray, SCIPgetLhsLinear(), SCIPgetNVarsLinear(), SCIPgetRhsLinear(), SCIPgetValsLinear(), SCIPgetVarsLinear(), SCIPisInfinity(), SCIPreleaseCons(), SCIPsnprintf(), TRUE, and upgradeLinearSuperindicator().

Referenced by extractLinearValues(), and upgradeSuperindicator().

◆ upgradeLinearSuperindicator()

static SCIP_RETCODE upgradeLinearSuperindicator	(	SCIP *	scip,
		SCIP_CONS *	cons,
		SCIP_Bool *	success,
		SCIP_Bool *	deleted
	)

static

upgrades a superindicator constraint to a linear constraint if possible

Parameters

scip	SCIP data structure
cons	superindicator constraint to be upgraded
success	pointer to store if the upgrading was successful
deleted	pointer to store if the constraint was deleted

Definition at line 405 of file cons_superindicator.c.

References extractLinearValues(), FALSE, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddCons(), SCIPallocBufferArray, SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsLinear(), SCIPdebug, SCIPdebugMsg, SCIPdelCons(), SCIPfindConshdlr(), SCIPfreeBufferArray, SCIPgetLhsLinear(), SCIPgetNVarsLinear(), SCIPgetRhsLinear(), SCIPgetValsLinear(), SCIPgetVarsLinear(), SCIPinfinity(), SCIPisGE(), SCIPisInfinity(), SCIPisLE(), SCIPisNegative(), SCIPisPositive(), SCIPreleaseCons(), SCIPsnprintf(), TRUE, and upgradeSuperindicator().

Referenced by upgradeIndicatorSuperindicator(), and upgradeSuperindicator().

◆ upgradeSuperindicator()

static SCIP_RETCODE upgradeSuperindicator	(	SCIP *	scip,
		SCIP_CONS *	cons,
		SCIP_Bool *	success,
		SCIP_Bool *	deleted
	)

static

tries to upgrade a superindicator constraint in order of the upgrade priority parameters

Parameters

scip	SCIP data structure
cons	superindicator constraint to be updated
success	pointer to store if the constraint was upgraded
deleted	pointer to store if the constraint was deleted

Definition at line 608 of file cons_superindicator.c.

References enforceConstraint(), FALSE, SCIP_CALL, SCIP_OKAY, SCIPconsGetHdlr(), SCIPconshdlrGetData(), upgradeIndicatorSuperindicator(), and upgradeLinearSuperindicator().

Referenced by upgradeLinearSuperindicator().

◆ enforceConstraint()

static SCIP_RETCODE enforceConstraint	(	SCIP *	scip,
		SCIP_CONSHDLR *	conshdlr,
		SCIP_CONS **	conss,
		int	nconss,
		int	nusefulconss,
		SCIP_SOL *	sol,
		SCIP_Bool	solinfeasible,
		SCIP_RESULT *	result
	)

static

helper function to enforce constraints

Parameters

scip	SCIP data structure
conshdlr	constraint handler
conss	constraints to process
nconss	number of constraints
nusefulconss	number of useful (non-obsolete) constraints to process
sol	solution to enforce (NULL for the LP solution)
solinfeasible	was the solution already declared infeasible by a constraint handler?
result	pointer to store the result of the enforcing call

Definition at line 655 of file cons_superindicator.c.

References consdataCheckSuperindicator(), FALSE, SCIP_Bool, SCIP_BRANCHED, SCIP_CALL, SCIP_CONSADDED, SCIP_CUTOFF, SCIP_DECL_CONSHDLRCOPY(), SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_INVALIDRESULT, SCIP_OKAY, SCIP_REDUCEDDOM, SCIP_SEPARATED, SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPdebugPrintf, SCIPenfolpCons(), SCIPenforelaxCons(), SCIPerrorMessage, SCIPisFeasEQ(), SCIPprintSol(), SCIPvarGetLbLocal(), SCIPvarGetName(), and TRUE.

Referenced by SCIP_DECL_CONSENFOLP(), and upgradeSuperindicator().

◆ SCIP_DECL_CONSHDLRCOPY()

static SCIP_DECL_CONSHDLRCOPY ( conshdlrCopySuperindicator )

static

copy method for constraint handler plugins (called when SCIP copies plugins)

Definition at line 789 of file cons_superindicator.c.

Referenced by enforceConstraint().

◆ SCIP_DECL_CONSFREE()

static SCIP_DECL_CONSFREE ( consFreeSuperindicator )

static

destructor of constraint handler to free constraint handler data (called when SCIP is exiting)

Definition at line 805 of file cons_superindicator.c.

◆ SCIP_DECL_CONSINITPRE()

static SCIP_DECL_CONSINITPRE ( consInitpreSuperindicator )

static

presolving initialization method of constraint handler (called when presolving is about to begin)

Definition at line 828 of file cons_superindicator.c.

◆ SCIP_DECL_CONSDELETE()

static SCIP_DECL_CONSDELETE ( consDeleteSuperindicator )

static

frees specific constraint data

Definition at line 849 of file cons_superindicator.c.

◆ SCIP_DECL_CONSTRANS()

static SCIP_DECL_CONSTRANS ( consTransSuperindicator )

static

transforms constraint data into data belonging to the transformed problem

Definition at line 872 of file cons_superindicator.c.

◆ SCIP_DECL_CONSINITLP()

static SCIP_DECL_CONSINITLP ( consInitlpSuperindicator )

static

LP initialization method of constraint handler

Definition at line 899 of file cons_superindicator.c.

◆ SCIP_DECL_CONSSEPALP()

static SCIP_DECL_CONSSEPALP ( consSepalpSuperindicator )

static

separation method of constraint handler for LP solutions

Definition at line 936 of file cons_superindicator.c.

◆ SCIP_DECL_CONSSEPASOL()

static SCIP_DECL_CONSSEPASOL ( consSepasolSuperindicator )

static

separation method of constraint handler for arbitrary primal solutions

Definition at line 1045 of file cons_superindicator.c.

◆ SCIP_DECL_CONSENFOLP()

static SCIP_DECL_CONSENFOLP ( consEnfolpSuperindicator )

static

constraint enforcing method of constraint handler for LP solutions

Definition at line 1155 of file cons_superindicator.c.

References enforceConstraint(), and SCIP_CALL.

◆ SCIP_DECL_CONSENFORELAX()

static SCIP_DECL_CONSENFORELAX ( consEnforelaxSuperindicator )

static

constraint enforcing method of constraint handler for relaxation solutions

Definition at line 1164 of file cons_superindicator.c.

References SCIP_Bool.

◆ SCIP_DECL_CONSENFOPS()

static SCIP_DECL_CONSENFOPS ( consEnfopsSuperindicator )

static

constraint enforcing method of constraint handler for pseudo solutions

Definition at line 1173 of file cons_superindicator.c.

◆ SCIP_DECL_CONSCHECK()

static SCIP_DECL_CONSCHECK ( consCheckSuperindicator )

static

feasibility check method of constraint handler for integral solutions

Definition at line 1307 of file cons_superindicator.c.

◆ SCIP_DECL_CONSPROP()

static SCIP_DECL_CONSPROP ( consPropSuperindicator )

static

domain propagation method of constraint handler

Definition at line 1335 of file cons_superindicator.c.

◆ SCIP_DECL_CONSPRESOL()

static SCIP_DECL_CONSPRESOL ( consPresolSuperindicator )

static

presolving method of constraint handler

Definition at line 1428 of file cons_superindicator.c.

◆ SCIP_DECL_CONSRESPROP()

static SCIP_DECL_CONSRESPROP ( consRespropSuperindicator )

static

propagation conflict resolving method of constraint handler

Definition at line 1517 of file cons_superindicator.c.

◆ SCIP_DECL_CONSLOCK()

static SCIP_DECL_CONSLOCK ( consLockSuperindicator )

static

variable rounding lock method of constraint handler

Definition at line 1550 of file cons_superindicator.c.

◆ SCIP_DECL_CONSPRINT()

static SCIP_DECL_CONSPRINT ( consPrintSuperindicator )

static

constraint display method of constraint handler

Definition at line 1573 of file cons_superindicator.c.

◆ SCIP_DECL_CONSCOPY()

static SCIP_DECL_CONSCOPY ( consCopySuperindicator )

static

constraint copying method of constraint handler

Definition at line 1615 of file cons_superindicator.c.

◆ SCIP_DECL_CONSPARSE()

static SCIP_DECL_CONSPARSE ( consParseSuperindicator )

static

constraint parsing method of constraint handler

Definition at line 1734 of file cons_superindicator.c.

◆ SCIP_DECL_CONSGETVARS()

static SCIP_DECL_CONSGETVARS ( consGetVarsSuperindicator )

static

constraint method of constraint handler which returns the variables (if possible)

Definition at line 1825 of file cons_superindicator.c.

◆ SCIP_DECL_CONSGETNVARS()

static SCIP_DECL_CONSGETNVARS ( consGetNVarsSuperindicator )

static

constraint method of constraint handler which returns the number of variables (if possible)

Definition at line 1849 of file cons_superindicator.c.

SCIP

Detailed Description

Macros

Functions

Macro Definition Documentation

◆ CONSHDLR_NAME

◆ CONSHDLR_DESC

◆ CONSHDLR_SEPAPRIORITY

◆ CONSHDLR_ENFOPRIORITY

◆ CONSHDLR_CHECKPRIORITY

◆ CONSHDLR_SEPAFREQ

◆ CONSHDLR_PROPFREQ

◆ CONSHDLR_EAGERFREQ

◆ CONSHDLR_MAXPREROUNDS

◆ CONSHDLR_DELAYSEPA

◆ CONSHDLR_DELAYPROP

◆ CONSHDLR_NEEDSCONS

◆ CONSHDLR_PROP_TIMING

◆ CONSHDLR_PRESOLTIMING

◆ DEFAULT_CHECKSLACKTYPE

◆ DEFAULT_UPGDPRIOINDICATOR

◆ DEFAULT_UPGDPRIOLINEAR

◆ DEFAULT_MAXUPGDCOEFLINEAR

Function Documentation

◆ consdataCreateSuperindicator()

◆ consdataCheckSuperindicator()

◆ extractLinearValues()

◆ upgradeIndicatorSuperindicator()

◆ upgradeLinearSuperindicator()

◆ upgradeSuperindicator()

◆ enforceConstraint()

◆ SCIP_DECL_CONSHDLRCOPY()

◆ SCIP_DECL_CONSFREE()

◆ SCIP_DECL_CONSINITPRE()

◆ SCIP_DECL_CONSDELETE()

◆ SCIP_DECL_CONSTRANS()

◆ SCIP_DECL_CONSINITLP()

◆ SCIP_DECL_CONSSEPALP()

◆ SCIP_DECL_CONSSEPASOL()

◆ SCIP_DECL_CONSENFOLP()

◆ SCIP_DECL_CONSENFORELAX()

◆ SCIP_DECL_CONSENFOPS()

◆ SCIP_DECL_CONSCHECK()

◆ SCIP_DECL_CONSPROP()

◆ SCIP_DECL_CONSPRESOL()

◆ SCIP_DECL_CONSRESPROP()

◆ SCIP_DECL_CONSLOCK()

◆ SCIP_DECL_CONSPRINT()

◆ SCIP_DECL_CONSCOPY()

◆ SCIP_DECL_CONSPARSE()

◆ SCIP_DECL_CONSGETVARS()

◆ SCIP_DECL_CONSGETNVARS()